Contents of left jugular foramen

Superolateral view

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Image #60-7

Contents of left jugular foramen

Superolateral view

The jugular foramen has been opened by cutting away its lateral wall. The internal jugular vein has been removed and its main tributaries, the sigmoid sinus (23) and the inferior petrosal sinus (12), cut off to expose the glossopharyngeal (13), vagus (24) and accessory (22) nerves which descend through the foramen. The dense fibrous tissue which surrounded these structures has been cleared away. The left cerebellar hemisphere has been partially removed.